Grafham Water: Fact file

* Grafham Water supplies water to Huntingdon, Kettering, Wellingborough, Corby, Milton Keynes, Bedford and parts of North London. * The pump storage reservoir takes most of its supplies from the River Great Ouse. * Fixing a dripping tap can save enough wa

* Grafham Water supplies water to Huntingdon, Kettering, Wellingborough, Corby, Milton Keynes, Bedford and parts of North London.

* The pump storage reservoir takes most of its supplies from the River Great Ouse.

* Fixing a dripping tap can save enough water to make 28 cups of tea a day.

* See www.anglianwater.co.uk